US2611227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination variable speed pulley and engine throttle control for harvester threshers
Assignee: International Motors LLC
•
Filing: 1951-01-19
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Granted: 1952-09-23
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Expires: 1971-01-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:23
CPC Classifications
A; A01; A01D; A01D41/00; A01D41/02; A01D41/12; Y; Y10; Y10S; Y10S56/00; Y10S56/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |